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1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * at91-sama5d27_wlsom1.dtsi - Device Tree file for SAMA5D27 WLSOM1
4 *
5 * Copyright (C) 2019 Microchip Technology Inc. and its subsidiaries
6 *
7 * Author: Nicolas Ferre <nicolas.ferre@microcihp.com>
8 * Author: Eugen Hristev <eugen.hristev@microcihp.com>
9 */
10#include "sama5d2.dtsi"
11#include "sama5d2-pinfunc.h"
12#include <dt-bindings/gpio/gpio.h>
13#include <dt-bindings/mfd/atmel-flexcom.h>
14#include <dt-bindings/pinctrl/at91.h>
15
16/ {
17 model = "Microchip SAMA5D27 WLSOM1";
18 compatible = "microchip,sama5d27-wlsom1", "atmel,sama5d27", "atmel,sama5d2", "atmel,sama5";
19
20 aliases {
21 i2c0 = &i2c0;
22 };
23
24 clocks {
25 slow_xtal {
26 clock-frequency = <32768>;
27 };
28
29 main_xtal {
30 clock-frequency = <24000000>;
31 };
32 };
33
34 wifi_pwrseq: wifi_pwrseq {
35 compatible = "mmc-pwrseq-wilc1000";
36 reset-gpios = <&pioA PIN_PA27 GPIO_ACTIVE_HIGH>;
37 powerdown-gpios = <&pioA PIN_PA29 GPIO_ACTIVE_HIGH>;
38 pinctrl-0 = <&pinctrl_wilc_pwrseq>;
39 pinctrl-names = "default";
40 };
41};
42
43&flx1 {
44 atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
45
46 uart6: serial@200 {
47 pinctrl-0 = <&pinctrl_flx1_default>;
48 pinctrl-names = "default";
49 };
50};
51
52&i2c0 {
53 pinctrl-0 = <&pinctrl_i2c0_default>;
54 pinctrl-1 = <&pinctrl_i2c0_gpio>;
55 pinctrl-names = "default", "gpio";
56 sda-gpios = <&pioA PIN_PD21 GPIO_ACTIVE_HIGH>;
57 scl-gpios = <&pioA PIN_PD22 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
58 status = "okay";
59};
60
61&i2c1 {
62 dmas = <0>, <0>;
63 pinctrl-names = "default", "gpio";
64 pinctrl-0 = <&pinctrl_i2c1_default>;
65 pinctrl-1 = <&pinctrl_i2c1_gpio>;
66 sda-gpios = <&pioA PIN_PD19 GPIO_ACTIVE_HIGH>;
67 scl-gpios = <&pioA PIN_PD20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
68 status = "okay";
69
70 mcp16502@5b {
71 compatible = "microchip,mcp16502";
72 reg = <0x5b>;
73 status = "okay";
74 lpm-gpios = <&pioBU 0 GPIO_ACTIVE_LOW>;
75
76 regulators {
77 vdd_3v3: VDD_IO {
78 regulator-name = "VDD_IO";
79 regulator-min-microvolt = <3300000>;
80 regulator-max-microvolt = <3300000>;
81 regulator-initial-mode = <2>;
82 regulator-allowed-modes = <2>, <4>;
83 regulator-always-on;
84
85 regulator-state-standby {
86 regulator-on-in-suspend;
87 regulator-mode = <4>;
88 };
89
90 regulator-state-mem {
91 regulator-off-in-suspend;
92 regulator-mode = <4>;
93 };
94 };
95
96 vddio_ddr: VDD_DDR {
97 regulator-name = "VDD_DDR";
98 regulator-min-microvolt = <1200000>;
99 regulator-max-microvolt = <1200000>;
100 regulator-initial-mode = <2>;
101 regulator-allowed-modes = <2>, <4>;
102 regulator-always-on;
103
104 regulator-state-standby {
105 regulator-on-in-suspend;
106 regulator-suspend-microvolt = <1200000>;
107 regulator-changeable-in-suspend;
108 regulator-mode = <4>;
109 };
110
111 regulator-state-mem {
112 regulator-on-in-suspend;
113 regulator-suspend-microvolt = <1200000>;
114 regulator-changeable-in-suspend;
115 regulator-mode = <4>;
116 };
117 };
118
119 vdd_core: VDD_CORE {
120 regulator-name = "VDD_CORE";
121 regulator-min-microvolt = <1250000>;
122 regulator-max-microvolt = <1250000>;
123 regulator-initial-mode = <2>;
124 regulator-allowed-modes = <2>, <4>;
125 regulator-always-on;
126
127 regulator-state-standby {
128 regulator-on-in-suspend;
129 regulator-mode = <4>;
130 };
131
132 regulator-state-mem {
133 regulator-off-in-suspend;
134 regulator-mode = <4>;
135 };
136 };
137
138 vdd_ddr: VDD_OTHER {
139 regulator-name = "VDD_OTHER";
140 regulator-min-microvolt = <1800000>;
141 regulator-max-microvolt = <1800000>;
142 regulator-initial-mode = <2>;
143 regulator-allowed-modes = <2>, <4>;
144 regulator-always-on;
145
146 regulator-state-standby {
147 regulator-on-in-suspend;
148 regulator-suspend-microvolt = <1800000>;
149 regulator-changeable-in-suspend;
150 regulator-mode = <4>;
151 };
152
153 regulator-state-mem {
154 regulator-on-in-suspend;
155 regulator-suspend-microvolt = <1800000>;
156 regulator-changeable-in-suspend;
157 regulator-mode = <4>;
158 };
159 };
160
161 LDO1 {
162 regulator-name = "LDO1";
163 regulator-min-microvolt = <3300000>;
164 regulator-max-microvolt = <3300000>;
165 regulator-always-on;
166
167 regulator-state-standby {
168 regulator-on-in-suspend;
169 };
170
171 regulator-state-mem {
172 regulator-off-in-suspend;
173 };
174 };
175
176 LDO2 {
177 regulator-name = "LDO2";
178 regulator-min-microvolt = <1800000>;
179 regulator-max-microvolt = <3300000>;
180
181 regulator-state-standby {
182 regulator-on-in-suspend;
183 };
184
185 regulator-state-mem {
186 regulator-off-in-suspend;
187 };
188 };
189 };
190 };
191};
192
193&macb0 {
194 pinctrl-names = "default";
195 pinctrl-0 = <&pinctrl_macb0_default>;
196 #address-cells = <1>;
197 #size-cells = <0>;
198 phy-mode = "rmii";
199
200 ethernet-phy@0 {
201 reg = <0x0>;
202 interrupt-parent = <&pioA>;
203 interrupts = <PIN_PB24 IRQ_TYPE_LEVEL_LOW>;
204 pinctrl-names = "default";
205 pinctrl-0 = <&pinctrl_macb0_phy_irq>;
206 };
207};
208
209&pmc {
210 atmel,osc-bypass;
211};
212
213&qspi1 {
214 pinctrl-names = "default";
215 pinctrl-0 = <&pinctrl_qspi1_default>;
216 status = "disabled";
217
218 qspi1_flash: flash@0 {
219 #address-cells = <1>;
220 #size-cells = <1>;
221 compatible = "jedec,spi-nor";
222 reg = <0>;
223 spi-max-frequency = <80000000>;
224 spi-rx-bus-width = <4>;
225 spi-tx-bus-width = <4>;
226 m25p,fast-read;
227 status = "disabled";
228
229 at91bootstrap@0 {
230 label = "at91bootstrap";
231 reg = <0x0 0x40000>;
232 };
233
234 bootloader@40000 {
235 label = "bootloader";
236 reg = <0x40000 0xc0000>;
237 };
238
239 bootloaderenvred@100000 {
240 label = "bootloader env redundant";
241 reg = <0x100000 0x40000>;
242 };
243
244 bootloaderenv@140000 {
245 label = "bootloader env";
246 reg = <0x140000 0x40000>;
247 };
248
249 dtb@180000 {
250 label = "device tree";
251 reg = <0x180000 0x80000>;
252 };
253
254 kernel@200000 {
255 label = "kernel";
256 reg = <0x200000 0x600000>;
257 };
258 };
259};
260
261&pioA {
262 pinctrl_flx1_default: flx1_usart_default {
263 pinmux = <PIN_PA24__FLEXCOM1_IO0>,
264 <PIN_PA23__FLEXCOM1_IO1>,
265 <PIN_PA25__FLEXCOM1_IO3>,
266 <PIN_PA26__FLEXCOM1_IO4>;
267 bias-disable;
268 };
269
270 pinctrl_i2c0_default: i2c0_default {
271 pinmux = <PIN_PD21__TWD0>,
272 <PIN_PD22__TWCK0>;
273 bias-disable;
274 };
275
276 pinctrl_i2c0_gpio: i2c0_gpio {
277 pinmux = <PIN_PD21__GPIO>,
278 <PIN_PD22__GPIO>;
279 bias-disable;
280 };
281
282 pinctrl_i2c1_default: i2c1_default {
283 pinmux = <PIN_PD19__TWD1>,
284 <PIN_PD20__TWCK1>;
285 bias-disable;
286 };
287
288 pinctrl_i2c1_gpio: i2c1_gpio {
289 pinmux = <PIN_PD19__GPIO>,
290 <PIN_PD20__GPIO>;
291 bias-disable;
292 };
293
294 pinctrl_macb0_default: macb0_default {
295 pinmux = <PIN_PB14__GTXCK>,
296 <PIN_PB15__GTXEN>,
297 <PIN_PB16__GRXDV>,
298 <PIN_PB17__GRXER>,
299 <PIN_PB18__GRX0>,
300 <PIN_PB19__GRX1>,
301 <PIN_PB20__GTX0>,
302 <PIN_PB21__GTX1>,
303 <PIN_PB22__GMDC>,
304 <PIN_PB23__GMDIO>;
305 bias-disable;
306 };
307
308 pinctrl_macb0_phy_irq: macb0_phy_irq {
309 pinmux = <PIN_PB24__GPIO>;
310 bias-disable;
311 };
312
313 pinctrl_qspi1_default: qspi1_default {
314 pinmux = <PIN_PB5__QSPI1_SCK>,
315 <PIN_PB6__QSPI1_CS>,
316 <PIN_PB7__QSPI1_IO0>,
317 <PIN_PB8__QSPI1_IO1>,
318 <PIN_PB9__QSPI1_IO2>,
319 <PIN_PB10__QSPI1_IO3>;
320 bias-pull-up;
321 };
322
323 pinctrl_sdmmc1_default: sdmmc1_default {
324 cmd-data {
325 pinmux = <PIN_PA28__SDMMC1_CMD>,
326 <PIN_PA18__SDMMC1_DAT0>,
327 <PIN_PA19__SDMMC1_DAT1>,
328 <PIN_PA20__SDMMC1_DAT2>,
329 <PIN_PA21__SDMMC1_DAT3>;
330 bias-disable;
331 };
332
333 conf-ck {
334 pinmux = <PIN_PA22__SDMMC1_CK>;
335 bias-disable;
336 };
337 };
338
339 pinctrl_wilc_default: wilc_default {
340 conf-irq {
341 pinmux = <PIN_PB25__GPIO>;
342 bias-disable;
343 };
344 };
345
346 pinctrl_wilc_pwrseq: wilc_pwrseq {
347 conf-ce-nrst {
348 pinmux = <PIN_PA27__GPIO>,
349 <PIN_PA29__GPIO>;
350 bias-disable;
351 };
352
353 conf-rtcclk {
354 pinmux = <PIN_PB13__PCK1>;
355 bias-disable;
356 };
357 };
358};
359
360&sdmmc1 {
361 #address-cells = <1>;
362 #size-cells = <0>;
363 bus-width = <4>;
364 pinctrl-names = "default";
365 pinctrl-0 = <&pinctrl_sdmmc1_default>;
366 mmc-pwrseq = <&wifi_pwrseq>;
367 no-1-8-v;
368 non-removable;
369 bus-width = <4>;
370 status = "okay";
371
372 wilc: wifi@0 {
373 reg = <0>;
374 compatible = "microchip,wilc1000";
375 pinctrl-names = "default";
376 pinctrl-0 = <&pinctrl_wilc_default>;
377 clocks = <&pmc PMC_TYPE_SYSTEM 9>;
378 clock-names = "rtc";
379 interrupts = <PIN_PB25 IRQ_TYPE_NONE>;
380 interrupt-parent = <&pioA>;
381 assigned-clocks = <&pmc PMC_TYPE_SYSTEM 9>;
382 assigned-clock-rates = <32768>;
383 };
384};
385